NMMNH locality L-3034: Early/Lower Campanian - Middle Campanian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Plantae indet. Haeckel 1866
Williamson 1996
Reptilia - Baenidae
Baenidae indet. Cope 1882
3 individuals
Reptilia
Brachychampsa sp. Gilmore 1911
1 individual
NMMMH P-25050, "new species"
    = Brachychampsa sealeyi n. sp. Williamson 1996
Williamson 1996
Reptilia - Ceratopsidae
Pachyrhinosaurinae indet. Huene 1950
1 individual
    = Centrosaurinae indet. Lambe 1915
Williamson and Brusatte 2014
Reptilia - Dromaeosauridae
cf. Saurornitholestes sp. Sues 1978
1 specimen
NMMNH P25054
    = Dromaeosauridae informal indet. A Colbert and Russell 1969
Williamson and Brusatte 2014
see common names

Geography
Country:United States State/province:New Mexico County:Sandoval
Coordinates: 35.7° North, 107.2° West (view map)
Paleocoordinates:42.8° North, 78.7° West
Basis of coordinate:estimated from map
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Early/Lower Campanian - Campanian
Key time interval:Early/Lower Campanian - Middle Campanian
Age range of interval:83.50000 - 70.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Mesaverde Formation:Menefee Member:Allison
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: silty mudstone
Includes fossils?Y
Lithology description: "silty mudstone, rich in carbonized wood and other plant debris."
Environment:terrestrial indet.
Geology comments: Allison Member, at approx. 183 m thick, is the thickest member of the Menefee Fm.
Taphonomy
Modes of preservation:body,original carbon
Size of fossils:macrofossils
Preservation of anatomical detail:good
Associated major elements:some
Disassociated minor elements:some
Feeding/predation traces:punctures
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:NMMNH
Collection method comments: "plant debris" and "wood"
Metadata
Database number:13000
Authorizer:J. Alroy, M. Carrano Enterer:R. Whatley, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2002-01-15 12:21:35 Last modified:2022-04-06 12:06:53
Access level:the public Released:2002-01-15 12:21:35
Creative Commons license:CC BY
Reference information

Primary reference:

81222. T. E. Williamson and P. L. Sealey. 1995. Additions to the vertebrate fauna from the Upper Cretaceous (lower Campanian) Allison Member, Menefee Formation, southeastern San Juan Basin, New Mexico. New Mexico Geology 17(2):34 [M. Carrano/M. Carrano]

Secondary references:

43085% 6040T. E. Williamson. 1996. ?Brachychampsa sealeyi, sp. nov., (Crocodylia, Alligatoroidea) from the Upper Cretaceous (lower Campanian) Menefee Formation, northwestern New Mexico . Journal of Vertebrate Paleontology 16(3):421-431 [J. Alroy/R. Whatley/M. Uhen]
50790 T. E. Williamson and S. L. Brusatte. 2014. Small theropod teeth from the Late Cretaceous of the San Juan Basin, northwestern New Mexico and their implications for understanding latest Cretaceous dinosaur evolution. PLoS ONE 9(4):e93190:1-23 [M. Carrano/M. Carrano]